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BM64070MUV - Three-phase Brushless Motor Pre-driver

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Datasheet Details

Part number BM64070MUV
Manufacturer ROHM
File Size 3.61 MB
Description Three-phase Brushless Motor Pre-driver
Datasheet download datasheet BM64070MUV Datasheet

General Description

BM64070MUV is the pre-driver IC of sine wave drive for three-phase brushless motor driver that supports 48 V power supply controlling the motor driver constructed in external FETs.

The sensor-less drive that the hall devices for the position sensing are unnecessary is adopted.

It has a speed feedback control function, and controls output PWM Duty by adjusting the rotational frequency characteristics for the input PWM signal and the rotational frequency affected from motor.

Overview

Datasheet DC Brushless Motor Driver Series Built-in Speed Control, Sensor-less Three-phase Brushless Motor Pre-driver BM64070MUV.

Key Features

  • Speed Control on PWM Duty Input.
  • External Output FET Nch+Nch.
  • Built-in Boost Voltage Circuit.
  • Sensor-less Sine Wave Drive.
  • Automatic Lead Angle Control.
  • Dead Time Setting.
  • Current Limit Function.
  • Power Save Function.
  • Direction of Rotation Setting.
  • Short Brake Control.
  • Speed Feedback Control.
  • Able to Set Motor Rotation Speed Table and Various Parameters with the built-in OTP.
  • Built-in Several Protection (Motor Lock Protection [MLP].

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